SG41587G - A dynamic random access memory - Google Patents

A dynamic random access memory

Info

Publication number
SG41587G
SG41587G SG415/87A SG41587A SG41587G SG 41587 G SG41587 G SG 41587G SG 415/87 A SG415/87 A SG 415/87A SG 41587 A SG41587 A SG 41587A SG 41587 G SG41587 G SG 41587G
Authority
SG
Singapore
Prior art keywords
random access
access memory
dynamic random
dynamic
memory
Prior art date
Application number
SG415/87A
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Publication of SG41587G publication Critical patent/SG41587G/en

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/21—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
    • G11C11/34—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/21—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
    • G11C11/34—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices
    • G11C11/40—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors
    • G11C11/401—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors forming cells needing refreshing or charge regeneration, i.e. dynamic cells
    • G11C11/406—Management or control of the refreshing or charge-regeneration cycles
    • G11C11/40615—Internal triggering or timing of refresh, e.g. hidden refresh, self refresh, pseudo-SRAMs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/21—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
    • G11C11/34—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices
    • G11C11/40—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors
    • G11C11/401—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors forming cells needing refreshing or charge regeneration, i.e. dynamic cells
    • G11C11/406—Management or control of the refreshing or charge-regeneration cycles

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Dram (AREA)
SG415/87A 1982-03-10 1987-05-06 A dynamic random access memory SG41587G (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57036422A JPS58155596A (en) 1982-03-10 1982-03-10 Dynamic type mos ram

Publications (1)

Publication Number Publication Date
SG41587G true SG41587G (en) 1987-07-17

Family

ID=12469383

Family Applications (1)

Application Number Title Priority Date Filing Date
SG415/87A SG41587G (en) 1982-03-10 1987-05-06 A dynamic random access memory

Country Status (10)

Country Link
US (2) US4549284A (en)
JP (1) JPS58155596A (en)
KR (1) KR910002028B1 (en)
DE (1) DE3305501A1 (en)
FR (1) FR2523356A1 (en)
GB (1) GB2116338B (en)
HK (1) HK69387A (en)
IT (1) IT1160500B (en)
MY (1) MY8700639A (en)
SG (1) SG41587G (en)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58155596A (en) * 1982-03-10 1983-09-16 Hitachi Ltd Dynamic type mos ram
JPS58192148A (en) * 1982-05-07 1983-11-09 Hitachi Ltd Operation processor
US4639858A (en) * 1983-07-05 1987-01-27 Honeywell Information Systems Inc. Apparatus and method for testing and verifying the refresh logic of dynamic MOS memories
JPS6055593A (en) * 1983-09-06 1985-03-30 Nec Corp Pseudo static memory
US4625296A (en) * 1984-01-17 1986-11-25 The Perkin-Elmer Corporation Memory refresh circuit with varying system transparency
JPS615495A (en) * 1984-05-31 1986-01-11 Toshiba Corp Semiconductor memory device
JPS6199199A (en) * 1984-09-28 1986-05-17 株式会社東芝 Voice analyzer/synthesizer
JPS621187A (en) * 1985-06-26 1987-01-07 Toshiba Corp Access control system of dynamic memory
JPS6212991A (en) * 1985-07-10 1987-01-21 Fujitsu Ltd Semiconductor memory device
JPS62103898A (en) * 1985-10-31 1987-05-14 Mitsubishi Electric Corp Dynamic random access memory device
JPH0612616B2 (en) * 1986-08-13 1994-02-16 日本テキサス・インスツルメンツ株式会社 Semiconductor memory device
JPS6355797A (en) * 1986-08-27 1988-03-10 Fujitsu Ltd Memory
JPS63140490A (en) * 1986-12-03 1988-06-13 Sharp Corp Dynamic ram
US4924441A (en) * 1987-03-18 1990-05-08 Hayes Microcomputer Products, Inc. Method and apparatus for refreshing a dynamic memory
JPS63247997A (en) * 1987-04-01 1988-10-14 Mitsubishi Electric Corp Semiconductor storage device
JPH0253292A (en) * 1988-08-17 1990-02-22 Sharp Corp Dynamic memory
JPH0253293A (en) * 1988-08-17 1990-02-22 Sharp Corp Dynamic memory
JP2617779B2 (en) * 1988-08-31 1997-06-04 三菱電機株式会社 Semiconductor memory device
US4953131A (en) * 1988-09-07 1990-08-28 Unisys Corporation Unconditional clock and automatic refresh logic
JP2646032B2 (en) * 1989-10-14 1997-08-25 三菱電機株式会社 LIFO type semiconductor memory device and control method therefor
US5033027A (en) * 1990-01-19 1991-07-16 Dallas Semiconductor Corporation Serial DRAM controller with multi generation interface
IL96808A (en) * 1990-04-18 1996-03-31 Rambus Inc Integrated circuit i/o using a high performance bus interface
US5148546A (en) * 1991-04-22 1992-09-15 Blodgett Greg A Method and system for minimizing power demands on portable computers and the like by refreshing selected dram cells
JP3143950B2 (en) * 1991-04-30 2001-03-07 日本電気株式会社 Dynamic memory
GB2265035B (en) * 1992-03-12 1995-11-22 Apple Computer Method and apparatus for improved dram refresh operations
US5430680A (en) * 1993-10-12 1995-07-04 United Memories, Inc. DRAM having self-timed burst refresh mode
KR970001699B1 (en) * 1994-03-03 1997-02-13 삼성전자 주식회사 Syncronous semiconductor memory device having the function of automatic precharge
USRE36532E (en) * 1995-03-02 2000-01-25 Samsung Electronics Co., Ltd. Synchronous semiconductor memory device having an auto-precharge function
US6028804A (en) * 1998-03-09 2000-02-22 Monolithic System Technology, Inc. Method and apparatus for 1-T SRAM compatible memory
US6072746A (en) 1998-08-14 2000-06-06 International Business Machines Corporation Self-timed address decoder for register file and compare circuit of a multi-port CAM
US5999474A (en) 1998-10-01 1999-12-07 Monolithic System Tech Inc Method and apparatus for complete hiding of the refresh of a semiconductor memory
US6415353B1 (en) 1998-10-01 2002-07-02 Monolithic System Technology, Inc. Read/write buffers for complete hiding of the refresh of a semiconductor memory and method of operating same
US6504780B2 (en) 1998-10-01 2003-01-07 Monolithic System Technology, Inc. Method and apparatus for completely hiding refresh operations in a dram device using clock division
US6370073B2 (en) 1998-10-01 2002-04-09 Monlithic System Technology, Inc. Single-port multi-bank memory system having read and write buffers and method of operating same
US6707743B2 (en) 1998-10-01 2004-03-16 Monolithic System Technology, Inc. Method and apparatus for completely hiding refresh operations in a DRAM device using multiple clock division
US6898140B2 (en) 1998-10-01 2005-05-24 Monolithic System Technology, Inc. Method and apparatus for temperature adaptive refresh in 1T-SRAM compatible memory using the subthreshold characteristics of MOSFET transistors
US6496437B2 (en) 1999-01-20 2002-12-17 Monolithic Systems Technology, Inc. Method and apparatus for forcing idle cycles to enable refresh operations in a semiconductor memory
US6529433B2 (en) 2001-04-03 2003-03-04 Hynix Semiconductor, Inc. Refresh mechanism in dynamic memories
KR100431303B1 (en) 2002-06-28 2004-05-12 주식회사 하이닉스반도체 A pseudo sram which is capable of accomplishing page write mode
US6795364B1 (en) * 2003-02-28 2004-09-21 Monolithic System Technology, Inc. Method and apparatus for lengthening the data-retention time of a DRAM device in standby mode
US7113439B2 (en) * 2004-04-22 2006-09-26 Memocom Corp. Refresh methods for RAM cells featuring high speed access
US7433996B2 (en) * 2004-07-01 2008-10-07 Memocom Corp. System and method for refreshing random access memory cells
US7532532B2 (en) * 2005-05-31 2009-05-12 Micron Technology, Inc. System and method for hidden-refresh rate modification
US7274618B2 (en) * 2005-06-24 2007-09-25 Monolithic System Technology, Inc. Word line driver for DRAM embedded in a logic process
US7369451B2 (en) * 2005-10-31 2008-05-06 Mosaid Technologies Incorporated Dynamic random access memory device and method for self-refreshing memory cells

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
HU169522B (en) * 1974-12-03 1976-12-28
US4084154A (en) * 1975-05-01 1978-04-11 Burroughs Corporation Charge coupled device memory system with burst mode
US4005395A (en) * 1975-05-08 1977-01-25 Sperry Rand Corporation Compatible standby power driver for a dynamic semiconductor
DE2543515A1 (en) * 1975-09-30 1977-04-07 Licentia Gmbh Dynamic MOS memory regeneration circuit - with regeneration effected in first part of each working cycle
US4079462A (en) * 1976-05-07 1978-03-14 Intel Corporation Refreshing apparatus for MOS dynamic RAMs
JPS5384534A (en) * 1976-12-29 1978-07-26 Fujitsu Ltd Refresh system for memory unit
JPS53148347A (en) * 1977-05-31 1978-12-23 Toshiba Corp Dynamic memory unit
US4238842A (en) * 1978-12-26 1980-12-09 Ibm Corporation LARAM Memory with reordered selection sequence for refresh
JPS55150192A (en) * 1979-05-08 1980-11-21 Nec Corp Memory unit
US4296480A (en) * 1979-08-13 1981-10-20 Mostek Corporation Refresh counter
DE3009872C2 (en) * 1980-03-14 1984-05-30 Siemens AG, 1000 Berlin und 8000 München Method for regenerating data stored in a dynamic MOS memory, taking into account write and read cycles and circuit arrangement for carrying out the method
US4412314A (en) * 1980-06-02 1983-10-25 Mostek Corporation Semiconductor memory for use in conjunction with error detection and correction circuit
JPS58155596A (en) * 1982-03-10 1983-09-16 Hitachi Ltd Dynamic type mos ram

Also Published As

Publication number Publication date
US4549284A (en) 1985-10-22
IT8319986A0 (en) 1983-03-09
HK69387A (en) 1987-10-02
MY8700639A (en) 1987-12-31
JPS58155596A (en) 1983-09-16
GB8301839D0 (en) 1983-02-23
KR840003893A (en) 1984-10-04
GB2116338A (en) 1983-09-21
IT1160500B (en) 1987-03-11
KR910002028B1 (en) 1991-03-30
FR2523356A1 (en) 1983-09-16
GB2116338B (en) 1986-07-23
DE3305501A1 (en) 1983-09-15
US4636989A (en) 1987-01-13

Similar Documents

Publication Publication Date Title
GB2116338B (en) A dynamic random access memory
EP0473201A3 (en) Dynamic semiconductor random access memory
EP0149043A3 (en) Random access memory
GB2138230B (en) Dynamic random access memory arrangements
EP0175378A3 (en) Dynamic random access memory (dram)
GB2093236B (en) Semiconductor random access memory arrangements
GB2043999A (en) Dynamic random access memory
GB2059156B (en) Random access memory
EP0278155A3 (en) Dynamic random access memory
JPS5698779A (en) Random access memory system
EP0142376A3 (en) Dynamic random access memory
EP0055799A3 (en) Non-volatile dynamic random access memory cell
DE3071677D1 (en) Semiconductor circuit for a dynamic random access memory
DE3174122D1 (en) A static type random access memory
KR930007835B1 (en) Dynamic random access memory device
EP0169360A3 (en) Random access memory
EP0154547A3 (en) A dynamic read-write random access memory
EP0092985A3 (en) Dynamic memory device
GB2107544B (en) Dynamic randum access memory
GB8406411D0 (en) Dynamic memory
GB2175476B (en) Dynamic memory
DE3279139D1 (en) Random access memory array
KR950001424B1 (en) 3-transistor dynamic random access memory
EP0214561A3 (en) Random access memory
GB2204756B (en) Dynamic random access memory